In the interview, Shearsmith told Digital Spy: “I was honored to be part of it. Mark’s…had the idea for a long time and he’s finally got to do it this year. It’s the perfect time for it to happen, with it being the 50th anniversary in November. I think he just always had this idea that I would [play Troughton]. It’s very small - I’m literally only in a very small little bit, but it was lovely to be part of it.”

Shearsmith continued describing David Bradley’s portrayal of William Hartnell’s first Doctor as “absolutely brilliant” and dubbed Adventure “a lovingly rendered thing.”

"Mark was in his absolute element, wandering around the TARDIS… the attention to detail was immaculate," he gushed. "He’s done a really good rendering of that time and that story. I think it’s a real treat."

The A Field In England actor also added that he would “love” to follow up his role as the second Doctor with an actual appearance on Doctor Who, but quickly dismissed himself as a possible replacement for recently departed lead Matt Smith.

"Oh God, no! I’ve literally not even thought about it," he asserted. "I’ve had a few people tweeting me that, saying, ‘You should be the Doctor’… I’m like, ‘What??’

"It could be literally anyone. I can’t imagine who we’re gonna get. But it would be good to go older, I think, because they’ve done two younger ones."

Whovians may catch An Adventure in Space and Time on BBC Two later in the year.